linux添加tmpfs

最新推荐文章于 2024-12-01 22:00:44 发布

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[root@JXMRDB01 shm]# df -h
文件系统              容量已用可用已用% 挂载点
/dev/cciss/c0d0p1      19G   11G 7.5G 59% /
/dev/cciss/c0d0p9     572G 198M 542G   1% /data
/dev/cciss/c0d0p8      95G 6.9G   83G   8% /home
/dev/cciss/c0d0p7     9.5G 264M 8.8G   3% /var
/dev/cciss/c0d0p6      19G 359M   18G   2% /opt
/dev/cciss/c0d0p5     9.5G 5.5G 3.5G 62% /tmp
/dev/cciss/c0d0p3      29G 3.1G   24G 12% /usr
tmpfs                  16G 180M   16G   2% /dev/shm
none                   16G 112K   16G   1% /var/lib/xenstored
[root@JXMRDB01 shm]# cp /etc/fstab /etc/fstab.bak
[root@JXMRDB01 shm]# vi /etc/fstab

~
"/etc/fstab" 12L, 912C
LABEL=/                 /                       ext3    defaults        1 1
LABEL=/data             /data                   ext3    defaults        1 2
LABEL=/home             /home                   ext3    defaults        1 2
LABEL=/var              /var                    ext3    defaults        1 2
LABEL=/opt              /opt                    ext3    defaults        1 2
LABEL=/tmp              /tmp                    ext3    defaults        1 2
LABEL=/usr              /usr                    ext3    defaults        1 2
tmpfs                   /dev/shm                tmpfs   defaults,size=21504m        0 0
devpts                  /dev/pts                devpts gid=5,mode=620 0 0
sysfs                   /sys                    sysfs   defaults        0 0
proc                    /proc                   proc    defaults        0 0
LABEL=SW-cciss/c0d0p2   swap                    swap    defaults        0 0
~
"/etc/fstab" 12L, 924C written
[root@JXMRDB01 shm]# mount -o remount /dev/shm
[root@JXMRDB01 shm]# df -h
文件系统              容量已用可用已用% 挂载点
/dev/cciss/c0d0p1      19G   11G 7.5G 59% /
/dev/cciss/c0d0p9     572G 198M 542G   1% /data
/dev/cciss/c0d0p8      95G 6.9G   83G   8% /home
/dev/cciss/c0d0p7     9.5G 264M 8.8G   3% /var
/dev/cciss/c0d0p6      19G 359M   18G   2% /opt
/dev/cciss/c0d0p5     9.5G 5.5G 3.5G 62% /tmp
/dev/cciss/c0d0p3      29G 3.1G   24G 12% /usr
tmpfs                  21G 180M   21G   1% /dev/shm
none                   16G 112K   16G   1% /var/lib/xenstored
[root@JXMRDB01 shm]#